Safety Precautions
In the case of the following, care in particular is necessary.

Measurement through package film or glass.
Temperature measurement is affected by a thing reflected in package film or glass.

Measurement of a gloss surface, a mirror finished surface.
Measurement is high temperature when material body temperature is less than neighboring temperature.
(Measure the neighboring temperature that reflected it at the same time.)

Measurement is low temperature when material body temperature is more than neighboring temperature.
(There is indicating error, because emissivity is low.)

Measurement of location with much steam, powder dusts.

Measure temperature of steam / a powder dust at the same time.
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